minor code cleanup and improvements

the_works/templates/views/werk.html

@@ -27,7 +27,14 @@
     let id = this.dataset.id;
     let url = `${SCRIPT_ROOT}/werk/read/${id}`;
     fetch(url)
-      .then(response => response.json())
+      // throw error if network error occurred, get JSON data otherwise
+      .then((response) => {
+        if (response.ok) {
+          return response.json();
+        }
+        throw new Error ("There was an error while fetching data for the text with ID " + id);
+      })
+      // populate modal with response data and raise modal
       .then(
         function (response) {
           // set modal heading
@@ -44,7 +51,7 @@
           document.getElementById("werkmodal").showModal();
         }
       )
-      .catch(console.log("all is lost :-("));
+      .catch((error) => console.log(error));
   }
   
   window.onload = function () {
@@ -107,7 +114,7 @@
     <form id="werk_detail_form" method="post" enctype="multipart/form-data" action="#" readonly>
       <header>
         <button aria-label="close" rel="prev" onclick="werkmodal.close()"></button>
-        <h1 id="dialog-heading">Detailansicht (Werk)</h1>
+        <h1 id="dialog-heading">#</h1>
       </header>
 
       <fieldset>

the_works/views/werk.py

@@ -5,8 +5,6 @@ from the_works.models import Werk, Reihe, Verlag, Werksform
 
 bp = Blueprint("werk", __name__)
 
-
-
 @bp.route("/werk")
 @bp.route("/werk/all")
 def all():
@@ -74,7 +72,6 @@ def create():
 def update(id):
   # get record
   werk = db.session.get(Werk, id)
-  print(werk)
   # update values
   werk.Titel = request.form["form_Titel"]
   werk.Untertitel = request.form["form_Untertitel"] or None
@@ -95,7 +92,6 @@ def update(id):
   flash("Eintrag erfolgreich geändert")
   return redirect(url_for("werk.all"))
   
-
 @bp.route("/werk/delete/<int:id>")
 def delete(id):
   werk = db.session.get(Werk, id)